Biography.guide
Home › People › Veterinarian › Johannes Ludwig Janson
Portrait of Johannes Ludwig Janson

Johannes Ludwig Janson

1849 – 1914

German veterinary scientist

Don't just read it — keep itBiographies to ownE-book · Audio · Video From $7 →

About Johannes Ludwig Janson

Lived 1849 – 1914 (aged 65). Johannes Ludwig Janson was a German veterinarian, known for O-yatoi gaikokujin.

Johannes Ludwig Janson (1 September 1849 – 28 October 1914) was a German specialist in veterinary science. He is noted for having introduced western veterinary science to Meiji period Japan in the late 19th century.

Biography Janson was hired by the Meiji government of Japan as a foreign advisor and arrived in Tokyo in October 1880. He taught at the Veterinary School in Komaba. During his tenure, the school in Komaba was merged into the School of Agriculture of Tokyo Imperial University. Janson's contract was extended several times, and he continued teaching at Komaba 1902. Many of his students went on to occupy important positions within the Japanese government.

Janson wrote a number of scientific papers on the domestic animals and veterinary medicine practices in Japan

Janson married a Japanese woman, and his grave is in Kagoshima, the native place of his wife.

Biography shop

Don’t just read it —
keep it.

Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.

  • E-book
  • Audio
  • Video
Browse the shop — from $7

Instant download · yours to keep · every purchase keeps this site free

Important facts

Birth century
Occupation
Known for
O-yatoi gaikokujin
Positions held
Foreign government advisor in Meiji Japan
Employers
University of Tokyo, Iwate University, Kagoshima University

Contemporaries

People whose lives overlapped Johannes Ludwig Janson's

Frequently asked questions

Who was Johannes Ludwig Janson?

German veterinary scientist

When was Johannes Ludwig Janson born?

Johannes Ludwig Janson was born on 1 September 1849 in Przeworno.

When did Johannes Ludwig Janson die?

Johannes Ludwig Janson died on 28 October 1914 in Kagoshima.

What was Johannes Ludwig Janson's occupation?

Johannes Ludwig Janson was a veterinarian.

What was Johannes Ludwig Janson known for?

Johannes Ludwig Janson was known for O-yatoi gaikokujin.

What nationality was Johannes Ludwig Janson?

Johannes Ludwig Janson was German.

Sources & further reading

· Wikipedia: Johannes Ludwig Janson

· Wikidata: Q592419

· DBpedia: Johannes Ludwig Janson

Cite this page

APA: Biography.guide. (2026). Johannes Ludwig Janson. https://biography.guide/johannes-ludwig-janson/

MLA: "Johannes Ludwig Janson." Biography.guide, https://biography.guide/johannes-ludwig-janson/.

Chicago: "Johannes Ludwig Janson." Biography.guide. https://biography.guide/johannes-ludwig-janson/.

Data last updated: 2026-09-26 · Spot an error? Report a correction.

Page generated 2026-09-27 05:15 UTC